Finding the Third Proportional to 571,212 and 1,240,740

Step by Step Solution

1. Step 1: Write the proportion equation
   571,212 : 1,240,740 = 1,240,740 : x
2. Step 2: Convert to fraction form
   571,212/1,240,740 = 1,240,740/x
3. Step 3: Cross multiply
   571,212x = 1,240,740 × 1,240,740
4. Step 4: Simplify right side
   571,212x = 1,539,435,747,600
5. Step 5: Solve for x
   x = 1,539,435,747,600/571,212
6. Step 6: Final answer
   x = 2,695,033.98